N.C. Gen. Stat. § 87-16
There is created the State Board of Examiners of Plumbing, Heating, and Fire Sprinkler Contractors consisting of seven members appointed by the Governor: one member from a school of engineering of the Greater University of North Carolina, one member who is a plumbing or mechanical inspector from a city in North Carolina, one licensed air conditioning contractor, one licensed plumbing contractor, one licensed heating contractor, one licensed fire sprinkler contractor, and one person who has no tie with the construction industry to represent the interests of the public at large. Members serve for terms of seven years, with the term of one member expiring each year. The term of the member initially appointed to fill the position of licensed fire sprinkler contractor shall commence April 25, 1991. No member appointed after June 7, 1979, shall serve more than one complete consecutive term. Vacancies occurring during a term are filled by appointment of the Governor for the remainder of the unexpired term.
N.C. Gen. Stat. § 87-16